The GGD type AC low-voltage distribution cabinet is suitable for power distribution systems of power users such as power plants, substations, and industrial and mining enterprises, with AC 50Hz, rated operating voltage of 380V, and rated operating current up to 3150A. It is used for energy conversion, distribution, and control of power, lighting, and distribution equipment.
The GGD type AC low-voltage distribution cabinet features high breaking capacity, good dynamic and thermal stability, flexible electrical schemes, convenient assembly, strong serialization, novel structure, and high protection rating. It can be used as a replacement product for low-voltage switchgear assemblies.
The GGD type AC low-voltage distribution cabinet complies with standards such as IEC439 "Low-Voltage Switchgear and Controlgear Assemblies" and GB7251 "Low-Voltage Switchgear Assemblies".
Operating Conditions
Condition Requirement
Ambient temperature -5℃ to +40℃ (24h avg. ≤ +35℃)
Installation Indoor
Altitude ≤ 2000m
Relative humidity ≤ 50% @ +40℃; up to 90% @ +20℃ (condensation possible)
Inclination ≤ 5° from vertical
Vibration/shock No severe vibration or shock
Corrosion No risk of corrosion to electrical components
Special requirements Negotiate with manufacturer
Basic Electrical Parameters
| Type | Rated Voltage (V) | Busbar | Rated Current (A) | Short-Circuit Breaking (kA) | Short-Time Withstand (1s) (kA) | Peak Withstand (kA) |
| GGD1 | 380 | A | 1000 | 15 | 15 | 15 |
| B | 600 (630) | |||||
| C | 400 | |||||
| GGD2 | 380 | A | 1500 (1600) | 30 | 30 | 30 |
| B | 1000 | |||||
| C | 600 | |||||
| GGD3 | 380 | A | 3150 | 50 | 50 | 50 |
| B | 2500 | |||||
| C | 2000 |
